genericROM.Containers.Loadings.ConvectionHeatFlux module

class ConvectionHeatFlux(solutionName, set)[source]

Bases: LoadingBase

Class containing a Loading of type convection heat flux boundary condition for thermal problems.

hTimes

time values on which heat transfert coefficient values are provided

Type:

np.ndarray or list of floats

hValues

heat transfert coefficient values at the corresponding time values

Type:

np.ndarray or list of floats

TextTimes

time values on which external temperature values are provided

Type:

np.ndarray or list of floats

TextValues

external temperature values at the corresponding time values

Type:

np.ndarray or list of floats

reducedPhiT

of size (numberOfModes,) containing the precomputed vector “red” for deriving the convection heat flux reduced external forces contribution is the form: h*Text*red

Type:

numpy.ndarray

reducedPhiTPhiT

of size (numberOfModes, numberOfModes) containing the precomputed matrix “mat” for deriving the reduced global tangent matrix contribution is the form: h*mat

Type:

numpy.ndarray

ComputeContributionToReducedExternalForces(time)[source]

Computes and returns the reduced external forces contribution of the loading

Parameters:

time (float)

Returns:

of size (numberOfModes,)

Return type:

np.ndarray

GetCoefficientsAtTime(time: float) -> (<class 'float'>, <class 'float'>)[source]

Computes and return h and Text at time, using PieceWiseLinearInterpolation

Parameters:

time (float)

Returns:

  • float – h at time

  • float – Text at time

ReduceLoading(mesh, problemData, reducedOrderBases, operatorCompressionData)[source]

Computes and sets the reduced representation of the loading

Parameters:

  • mesh (Muscat.Containers.Mesh) – mesh of the high-fidelity model

  • problemData (ProblemData) – problemData containing the loading

  • reducedOrderBases (dict(str: np.ndarray)) – dictionary with solutionNames (str) as keys and reducedOrderBases (np.ndarray of size (numberOfModes, numberOfDOFs)) as values

  • operatorCompressionData (dict(str: custom_data_structure)) – not used in this loading dictionary with solutionNames (str) as keys and data structure generated by the operator compression step as values

SetH(h)[source]

Sets hTimes and hValues

Parameters:

h (dict) – dictionary with time steps (float) as keys and the values of the heat transfert coefficient (float)

SetText(Text)[source]

Sets TextTimes and TextValues

Parameters:

Text (dict) – dictionary with time steps (float) as keys and the values of the external temperature values (float)